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发明名称
DRAIN CHANNEL STRUCTURE IN DRY STONE PITCHING PROCESS
摘要
申请公布号
JPH0559802(A)
申请公布日期
1993.03.09
申请号
JP19910250500
申请日期
1991.09.03
申请人
SHIMIZU CORP
发明人
OTA MICHIHIRO
分类号
E04B1/64;E04F13/08;E04F13/14
主分类号
E04B1/64
代理机构
代理人
主权项
地址
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