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发明名称
Griffbrett
摘要
申请公布号
DE1142745(B)
申请公布日期
1963.01.24
申请号
DE1960J018849
申请日期
1960.10.11
申请人
ALBERT WILLIAM JEFFERY;EDWIN HENRY ANDREWS
发明人
JEFFERY ALBERT WILLIAM;ANDREWS EDWIN HENRY
分类号
G10H1/34
主分类号
G10H1/34
代理机构
代理人
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地址
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