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发明名称
摘要
申请公布号
JPS5549038(B2)
申请公布日期
1980.12.09
申请号
JP19750010574
申请日期
1975.01.24
申请人
发明人
分类号
C04B28/26;B32B5/18;C04B20/10;C04B41/65;E04B1/84;E04B1/94;F16L59/00
主分类号
C04B28/26
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代理人
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