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1.Manufacture and production of artificial threads and filaments and products therefrom 失效
Title translation: 人造丝和长丝及其制品的制造和生产公开(公告)号:US1891146A
公开(公告)日:1932-12-13
申请号:US52161131
申请日:1931-03-10
Applicant: COURTAULDS LTD
Inventor: CLAUDE DIAMOND
IPC: D01F2/30
CPC classification number: D01F2/30
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公开(公告)号:US1681103A
公开(公告)日:1928-08-14
申请号:US18390227
申请日:1927-04-14
Applicant: COURTAULDS LTD
Inventor: CLAUDE DIAMOND
IPC: C08B1/02
CPC classification number: C08B1/02
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