DIAPHRAGM-TYPE SHEET FORMING METHOD,申请号USD3566650-传众专利搜索

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发明名称	DIAPHRAGM-TYPE SHEET FORMING METHOD
摘要
申请公布号	US3566650(A)	申请公布日期	1971.03.02
申请号	USD3566650	申请日期	1969.04.10
申请人	SHELL OIL CO.	发明人	HERBERT G. JOHNSON
分类号	B21D22/12;B29C43/12;B29C51/28;(IPC1-7):B21D22/12	主分类号	B21D22/12
代理机构		代理人
主权项
地址

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