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发明名称
WHEEL CHAIR MOUNTED FORWARD/REVERSE MOTOR DRIVE BLISSYMBOLIC COMMUNICATOR
摘要
申请公布号
GB8818405(D0)
申请公布日期
1988.09.07
申请号
GB19880018405
申请日期
1988.08.03
申请人
CAMPBELL, D E
发明人
分类号
主分类号
代理机构
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