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发明名称
PIPE SEAL MATERIAL
摘要
申请公布号
JPH0633692(A)
申请公布日期
1994.02.08
申请号
JP19920207340
申请日期
1992.07.10
申请人
TAMAKI KOGYO KK
发明人
TAMAKI RYUTARO
分类号
E21D9/06;F16J15/10;F16L21/02;(IPC1-7):E21D9/06
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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