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发明名称
MANUFACTURING FOR FRAME MEMBER OF FLOOR INSPECTION PORT
摘要
申请公布号
JPH0339561(A)
申请公布日期
1991.02.20
申请号
JP19890174231
申请日期
1989.07.07
申请人
NAKA TECH LAB
发明人
SAYAMA SHIGERU;YOSHIDA HAJIME
分类号
E04F19/08
主分类号
E04F19/08
代理机构
代理人
主权项
地址
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