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发明名称
Improvements in methods of producing nickel-iron powder
摘要
申请公布号
GB542145(A)
申请公布日期
1941.12.29
申请号
GB19400010838
申请日期
1940.06.25
申请人
AUTOMATIC TELEPHONE & ELECTRIC COMPANY LIMITED;PHILIP NORTON ROSEBY
发明人
分类号
B22F9/22
主分类号
B22F9/22
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