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发明名称
ARRANGEMENT FOR ATTACHING AN INTERNAL MASK TO THE CONNECTOR OF A GAS OR DUST MASK
摘要
申请公布号
PL110889(B1)
申请公布日期
1980.08.30
申请号
PL19780206446
申请日期
1978.04.28
申请人
发明人
分类号
A62B18/02;A62B18/08;(IPC1-7):A62B18/02
主分类号
A62B18/02
代理机构
代理人
主权项
地址
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