MACHINE AND METHOD FOR MAKING LEAK-PROOF PAPER BAGS,申请号USD3470796-传众专利搜索

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发明名称	MACHINE AND METHOD FOR MAKING LEAK-PROOF PAPER BAGS
摘要
申请公布号	US3470796(A)	申请公布日期	1969.10.07
申请号	USD3470796	申请日期	1967.08.23
申请人	WESTVACO CORP.	发明人	BURKE P. LOKEY
分类号	B31B23/00;(IPC1-7):B31B21/26;B31B31/02;B31B49/04	主分类号	B31B23/00
代理机构		代理人
主权项
地址

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