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公开(公告)号:US2730383A
公开(公告)日:1956-01-10
申请号:US28849052
申请日:1952-05-17
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
IPC: F16L37/252 , F16N21/04
CPC classification number: F16L37/252 , F16N21/04
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公开(公告)号:US2403166A
公开(公告)日:1946-07-02
申请号:US38141041
申请日:1941-03-01
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
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公开(公告)号:US2201217A
公开(公告)日:1940-05-21
申请号:US16082437
申请日:1937-08-25
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
CPC classification number: C10M7/00 , C10M2209/082 , C10M2209/102 , C10M2221/04 , C10N2210/03 , C10N2250/08 , C10N2250/10
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公开(公告)号:US3057521A
公开(公告)日:1962-10-09
申请号:US5424360
申请日:1960-09-06
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
IPC: F16J10/02
CPC classification number: F16J10/02
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公开(公告)号:US2563636A
公开(公告)日:1951-08-07
申请号:US8380549
申请日:1949-03-28
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
IPC: F16N3/12
CPC classification number: F16N3/12
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公开(公告)号:US2403167A
公开(公告)日:1946-07-02
申请号:US38141141
申请日:1941-03-01
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
CPC classification number: C10M5/00 , C10M2205/026 , C10M2205/06 , C10M2205/14 , C10M2205/16 , C10M2205/17 , C10M2207/125 , C10M2207/129 , C10M2211/06 , C10M2213/02 , C10M2213/062 , C10M2221/00 , C10N2210/03 , C10N2240/02 , C10N2250/10
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公开(公告)号:US2270102A
公开(公告)日:1942-01-13
申请号:US27019839
申请日:1939-04-26
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
CPC classification number: C10M1/08 , C10M2201/08 , C10M2201/081 , C10M2201/082 , C10M2201/084 , C10M2203/10 , C10M2203/108 , C10M2205/18 , C10M2207/125 , C10M2207/129 , C10M2207/40 , C10M2207/404
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公开(公告)号:US2270101A
公开(公告)日:1942-01-13
申请号:US27019739
申请日:1939-04-26
Applicant: BALLARD HERMAN E
Inventor: BALLARD HERMAN E
IPC: C10M169/04
CPC classification number: C10M169/04 , C10M2201/02 , C10M2201/062 , C10M2201/063 , C10M2201/102 , C10M2201/103 , C10M2207/021 , C10M2207/022 , C10M2209/12 , C10M2217/044 , C10M2217/045 , C10M2219/042 , C10N2210/01 , C10N2240/00 , C10N2240/22 , C10N2240/30 , C10N2240/50 , C10N2240/52 , C10N2240/54 , C10N2240/56 , C10N2240/58 , C10N2240/60 , C10N2240/66
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