GAS SHIELDING DEVICE,申请号USD3450857-传众专利搜索

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发明名称	GAS SHIELDING DEVICE
摘要
申请公布号	US3450857(A)	申请公布日期	1969.06.17
申请号	USD3450857	申请日期	1967.01.25
申请人	ATOMIC ENERGY COMMISSION USA	发明人	WALTER S. WEBB
分类号	B23K9/16;(IPC1-7):B23K9/16;B23K35/38	主分类号	B23K9/16
代理机构		代理人
主权项
地址

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