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经营范围
发明名称
AUTOMATIC DOOR RETURNING DEVICE WITH COIL SPRING
摘要
申请公布号
JPS5299636(A)
申请公布日期
1977.08.20
申请号
JP19760015558
申请日期
1976.02.16
申请人
SHIMIZU YOSHITAKA
发明人
SHIMIZU YOSHITAKA
分类号
E05F1/10
主分类号
E05F1/10
代理机构
代理人
主权项
地址
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