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发明名称
AUTOMATIC POLARITY CHANGING CIRCUIT
摘要
申请公布号
PL256416(A1)
申请公布日期
1987.07.27
申请号
PL19850256416
申请日期
1985.11.22
申请人
ZJEDNOCZONE ZESPOLY GOSPODARCZ
发明人
LEWANDA BOGUSLAW
分类号
H03K;H03K17/66;(IPC1-7):H03K/
主分类号
H03K
代理机构
代理人
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地址
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