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发明名称
GAS MATERIAL DISPENSING APPARATUS
摘要
申请公布号
CA378654(A)
申请公布日期
1939.01.03
申请号
CAD378654
申请日期
申请人
DOMINION OXYGEN COMPANY
发明人
WILLIAM F. MESINGER
分类号
主分类号
代理机构
代理人
主权项
地址
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