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发明名称
(A) ;4-HYDROXY-CHROMAN AND THIOCHROMAN-4-ACETIC ACID DERIVATIVE
摘要
申请公布号
JPS62169775(U)
申请公布日期
1987.10.28
申请号
JP19860055851U
申请日期
1986.04.14
申请人
发明人
分类号
B23K9/26;(IPC1-7):B23K9/26
主分类号
B23K9/26
代理机构
代理人
主权项
地址
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