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发明名称
AGENT FOR MANUFACTURING THE PACKINGS,ESPECIALLY FOR MINE AIR-DUCTS
摘要
申请公布号
PL115647(B2)
申请公布日期
1981.04.30
申请号
PL19790218692
申请日期
1979.09.29
申请人
发明人
分类号
C08J9/34;C08L;C08L27/06;F16L25/00;(IPC1-7):C08L27/06
主分类号
C08J9/34
代理机构
代理人
主权项
地址
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