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公开(公告)号:US1430910A
公开(公告)日:1922-10-03
申请号:US43740321
申请日:1921-01-15
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B27/00
CPC classification number: B60B37/10 , Y10T29/49519 , Y10T29/49533
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公开(公告)号:US1420432A
公开(公告)日:1922-06-20
申请号:US46566821
申请日:1921-04-30
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/00
CPC classification number: B60B1/00
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公开(公告)号:US1403121A
公开(公告)日:1922-01-10
申请号:US46567021
申请日:1921-04-30
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/10
CPC classification number: B60B1/10
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公开(公告)号:US1391064A
公开(公告)日:1921-09-20
申请号:US33842019
申请日:1919-11-17
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/00
CPC classification number: B60B1/00
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公开(公告)号:US1477884A
公开(公告)日:1923-12-18
申请号:US38178220
申请日:1920-05-15
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/10
CPC classification number: B60B1/10
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公开(公告)号:US1432191A
公开(公告)日:1922-10-17
申请号:US21598118
申请日:1918-02-08
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/02
CPC classification number: B60B1/0207 , B60B1/0223 , B60B1/0276 , B60B1/042 , B60B21/06 , B60B21/066 , B60B2310/302 , B60B2360/10 , Y10T29/49515
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公开(公告)号:US1400173A
公开(公告)日:1921-12-13
申请号:US33842119
申请日:1919-11-17
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/00
CPC classification number: B60B1/00
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公开(公告)号:US1378038A
公开(公告)日:1921-05-17
申请号:US30102319
申请日:1919-05-31
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/10
CPC classification number: B60B1/10
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公开(公告)号:US1736539A
公开(公告)日:1929-11-19
申请号:US22608627
申请日:1927-10-14
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B23K11/14
CPC classification number: B23K11/14
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公开(公告)号:US1378039A
公开(公告)日:1921-05-17
申请号:US38178120
申请日:1920-05-15
Applicant: BETHLEHEM STEEL CORP
Inventor: MAURICE LACHMAN
IPC: B60B1/10
CPC classification number: B60B1/10
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