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公开(公告)号:US1844962A
公开(公告)日:1932-02-16
申请号:US23498927
申请日:1927-11-22
Applicant: NAT RUBBER MACHINERY CO
Inventor: KUHLKE OTTO J
IPC: B29D30/06
CPC classification number: B29D30/0601 , B29C35/02 , B29D23/24
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公开(公告)号:US1707620A
公开(公告)日:1929-04-02
申请号:US26067728
申请日:1928-03-10
Applicant: NAT RUBBER MACHINERY CO
Inventor: KUHLKE OTTO J
IPC: B29D23/24
CPC classification number: B29D23/24 , B29K2021/00
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公开(公告)号:US1778500A
公开(公告)日:1930-10-14
申请号:US35865929
申请日:1929-04-27
Applicant: NAT RUBBER MACHINERY CO
Inventor: KUHLKE OTTO J
IPC: B22C11/00
CPC classification number: B22C11/00
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公开(公告)号:US1727304A
公开(公告)日:1929-09-03
申请号:US17823327
申请日:1927-03-25
Applicant: NAT RUBBER MACHINERY CO
Inventor: KUHLKE OTTO J
IPC: B29D23/24
CPC classification number: B29D23/24 , B29K2021/00
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公开(公告)号:US1944744A
公开(公告)日:1934-01-23
申请号:US43184630
申请日:1930-02-27
Applicant: NAT RUBBER MACHINERY CO
Inventor: KUHLKE OTTO J
IPC: B22C11/00
CPC classification number: B22C11/00
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6.
公开(公告)号:US1869011A
公开(公告)日:1932-07-26
申请号:US21132227
申请日:1927-08-08
Applicant: NAT RUBBER MACHINERY CO
Inventor: KUHLKE OTTO J
IPC: B29D23/24
CPC classification number: B29D22/02 , B29K2219/00 , B32B37/156 , B32B38/1808 , Y10T156/1069 , Y10T156/13 , Y10T156/1322
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