GAS AND POWDERY MATERIAL EVACUATION METHOD,申请号CAD408643-传众专利搜索

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发明名称	GAS AND POWDERY MATERIAL EVACUATION METHOD
摘要
申请公布号	CA408643(A)	申请公布日期	1942.11.17
申请号	CAD408643	申请日期
申请人	PIERRE PHILIPPON	发明人	PIERRE PHILIPPON
分类号		主分类号
代理机构		代理人
主权项
地址

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