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公开(公告)号:US3106177A
公开(公告)日:1963-10-08
申请号:US78477259
申请日:1959-01-02
Applicant: RAYMOND INT INC
Inventor: NICOLAISEN REIDAR J
CPC classification number: B29C53/72 , B21C37/12 , B29C53/827
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92.Apparatus for forming welded helical seam tubing from metal strip 失效
Title translation: 用于从金属条形成焊接螺旋缝管的装置公开(公告)号:US3092056A
公开(公告)日:1963-06-04
申请号:US79021059
申请日:1959-01-30
Applicant: AMERICAN PIPE & CONSTR CO
Inventor: OHNSTAD BURL B
IPC: B21C37/12
CPC classification number: B21C37/12
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93.Apparatus for making spirally wrapped multi-layer body construction 失效
Title translation: 用于制作螺旋缠绕的多层体结构的装置公开(公告)号:US3067707A
公开(公告)日:1962-12-11
申请号:US64658757
申请日:1957-03-18
Applicant: ELLZEY FLOYD P
Inventor: ELLZEY FLOYD P
IPC: B21C37/12
CPC classification number: B21C37/12 , Y10T29/49874 , Y10T29/49929
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公开(公告)号:US3004135A
公开(公告)日:1961-10-10
申请号:US80030659
申请日:1959-03-18
Applicant: HOESCH ROHRWERKE AG
Inventor: RICHARD DIENER , WERNER WENNEMANN
CPC classification number: B21C37/12 , B21C37/122 , B23K9/0325
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95.
公开(公告)号:US2751672A
公开(公告)日:1956-06-26
申请号:US34043853
申请日:1953-03-05
Applicant: SMITH CORP A O
Inventor: REED DANIEL J
CPC classification number: E04H7/06 , B21C37/12 , Y10T29/49828 , Y10T29/49829 , Y10T29/49831 , Y10T29/51 , Y10T29/5191
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公开(公告)号:US2615491A
公开(公告)日:1952-10-28
申请号:US22520251
申请日:1951-05-08
Applicant: GEN MOTORS CORP
Inventor: HARRIS EDWARD P , SAMPSON FREDERICK W
IPC: B21C37/12
CPC classification number: B21C37/12
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公开(公告)号:US2069052A
公开(公告)日:1937-01-26
申请号:US74624134
申请日:1934-09-29
Applicant: GEN MOTORS CORP
Inventor: WEBB HARTWELL W
IPC: B21C37/12
CPC classification number: B21C37/12 , Y10T29/5122
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公开(公告)号:US2059578A
公开(公告)日:1936-11-03
申请号:US60162232
申请日:1932-03-28
Applicant: HENNING BRUNO W
Inventor: HENNING BRUNO W
IPC: B21C37/12
CPC classification number: B21C37/12
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公开(公告)号:US1953573A
公开(公告)日:1934-04-03
申请号:US52293831
申请日:1931-03-16
Applicant: SACO LOWELL SHOPS
Inventor: TARR RODERIC D , MASON EARL M
IPC: B21C37/12
CPC classification number: B21C37/12 , Y10T29/49865
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