PNEUMATIC CONVEYING SYSTEM,申请号USD3722544-传众专利搜索

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发明名称	PNEUMATIC CONVEYING SYSTEM
摘要
申请公布号	US3722544(A)	申请公布日期	1973.03.27
申请号	USD3722544	申请日期	1971.04.07
申请人	WESTENBERG M,DT	发明人	WESTENBERG M,DT
分类号	B65G53/52;(IPC1-7):F16K21/00	主分类号	B65G53/52
代理机构		代理人
主权项
地址

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