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发明名称
摘要
申请公布号
JPS551237(B2)
申请公布日期
1980.01.12
申请号
JP19740133177
申请日期
1974.11.21
申请人
发明人
分类号
B66D3/26;B66D3/12
主分类号
B66D3/26
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