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发明名称
ENTRANCE DEVICE
摘要
申请公布号
JPH02209558(A)
申请公布日期
1990.08.21
申请号
JP19890026471
申请日期
1989.02.04
申请人
RIKEN LIGHT METAL IND CO LTD
发明人
SHIMA YOSHIMASA
分类号
E04F19/08
主分类号
E04F19/08
代理机构
代理人
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地址
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