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发明名称
GAS TESTING APPARATUS
摘要
申请公布号
CA417003(A)
申请公布日期
1943.12.14
申请号
CAD417003
申请日期
申请人
AMERICAN VISCOSE CORPORATION
发明人
WILLARD RIGG CALVERT;BEN ELWOOD WHITE
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主分类号
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代理人
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