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发明名称
CONTROL FOR GAS CYLINDER ADAPTER
摘要
申请公布号
CA42923(S)
申请公布日期
1977.11.21
申请号
CANDAT0042923F
申请日期
申请人
NORTHFIELD METAL PRODUCTS LTD.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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