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公开(公告)号:US1988738A
公开(公告)日:1935-01-22
申请号:US53968131
申请日:1931-05-25
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
CPC classification number: B23P9/02 , B23P9/04 , Y10T29/49277 , Y10T29/49284
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公开(公告)号:US1796792A
公开(公告)日:1931-03-17
申请号:US45180030
申请日:1930-05-12
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
IPC: F16J1/08
CPC classification number: F16J1/08
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公开(公告)号:US1756828A
公开(公告)日:1930-04-29
申请号:US35133529
申请日:1929-03-30
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
IPC: A47B77/16
CPC classification number: A47B77/16
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公开(公告)号:US1738534A
公开(公告)日:1929-12-10
申请号:US34110329
申请日:1929-02-19
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
IPC: F16J9/20
CPC classification number: F16J9/20
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公开(公告)号:US1551156A
公开(公告)日:1925-08-25
申请号:US70416624
申请日:1924-04-04
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
IPC: B24B7/16
CPC classification number: B24B7/165
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公开(公告)号:US1445020A
公开(公告)日:1923-02-13
申请号:US54357622
申请日:1922-03-14
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
IPC: F16J9/20
CPC classification number: F16J9/20
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公开(公告)号:US1240456A
公开(公告)日:1917-09-18
申请号:US5530415
申请日:1915-10-11
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
CPC classification number: F16J9/203
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公开(公告)号:US1204990A
公开(公告)日:1916-11-14
申请号:US8569916
申请日:1916-03-21
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
CPC classification number: A24F13/08
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公开(公告)号:US1204028A
公开(公告)日:1916-11-07
申请号:US8534916
申请日:1916-03-20
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
CPC classification number: B25B27/12 , Y10T29/536 , Y10T29/53896
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公开(公告)号:US1204027A
公开(公告)日:1916-11-07
申请号:US7360616
申请日:1916-01-22
Applicant: JOHNSON CHARLES E
Inventor: JOHNSON CHARLES E
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