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发明名称
UNDERDRAIN PIPE JOINING METHOD
摘要
申请公布号
JPS56105189(A)
申请公布日期
1981.08.21
申请号
JP19800004750
申请日期
1980.01.19
申请人
SHO BOND CONST
发明人
SATOU NAOAKI
分类号
E03F3/04;F16L21/02
主分类号
E03F3/04
代理机构
代理人
主权项
地址
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