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发明名称
DAMPER CONTROL
摘要
申请公布号
CA330318(A)
申请公布日期
1933.02.21
申请号
CAD330318
申请日期
申请人
ARTHUR D. SHILAND
发明人
ARTHUR D. SHILAND
分类号
主分类号
代理机构
代理人
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地址
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