Method of manufacturing celluloid tubing,申请号US19310581526-传众专利搜索

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发明名称	Method of manufacturing celluloid tubing
摘要
申请公布号	US1930995(A)	申请公布日期	1933.10.17
申请号	US19310581526	申请日期	1931.12.16
申请人	NIXON NITRATION WORKS	发明人	CARROLL CECIL J.
分类号	B31B1/74;B31C1/00	主分类号	B31B1/74
代理机构		代理人
主权项
地址

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