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发明名称
摘要
申请公布号
GB1251492(A)
申请公布日期
1971.10.27
申请号
GBD1251492
申请日期
1967.10.31
申请人
发明人
分类号
D06J1/12;E06B9/52
主分类号
D06J1/12
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代理人
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地址
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