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公开(公告)号:US1012263A
公开(公告)日:1911-12-19
申请号:US1911613401
申请日:1911-03-09
Applicant: DIAMOND POWER SPECIALITY
Inventor: MATTSSON ALFRED G
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公开(公告)号:US1666905A
公开(公告)日:1928-04-24
申请号:US63238823
申请日:1923-04-16
Applicant: DIAMOND POWER SPECIALITY
Inventor: MATTSSON ALFRED G
IPC: F28G3/16
CPC classification number: F28G3/163
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公开(公告)号:US1003005A
公开(公告)日:1911-09-12
申请号:US1911601756
申请日:1911-01-09
Applicant: DIAMOND POWER SPECIALITY
Inventor: MATTSSON ALFRED G
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