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发明名称
COMBINED DOUBLE EXPANSION JOINT
摘要
申请公布号
PL284518(A1)
申请公布日期
1991.10.07
申请号
PL19900284518
申请日期
1990.03.27
申请人
NADZIAKIEWICZ WACLAW
发明人
NADZIAKIEWICZ WACLAW
分类号
F16L51/00;(IPC1-7):F16L51/00
主分类号
F16L51/00
代理机构
代理人
主权项
地址
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