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发明名称
摘要
申请公布号
JPS56500564(A)
申请公布日期
1981.04.30
申请号
JP19800500297
申请日期
1980.02.11
申请人
发明人
分类号
B63B1/34;B63B1/36;B64C21/10;F16L9/00
主分类号
B63B1/34
代理机构
代理人
主权项
地址
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