Expansible and contractible mold core,申请号US19360096876-传众专利搜索

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发明名称	Expansible and contractible mold core
摘要
申请公布号	US2075591(A)	申请公布日期	1937.03.30
申请号	US19360096876	申请日期	1936.08.19
申请人	THOMAS SCHUSTER	发明人	SCHUSTER THOMAS
分类号	B28B7/30	主分类号	B28B7/30
代理机构		代理人
主权项
地址

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