发明授权
US3561056A Tool set for powder compacting press 失效
用于粉末压实压力的工具

Tool set for powder compacting press
摘要:
A TOOL SET COMPRISING A DIE PLATE HAVING PUNCH APERTURES AND DISCHARGE APERTURES, PUNCHES FOR SAID PUNCH APERTURES CONTAINING CORE RODS HELD IMMOVABLE IN RELATION TO SAID PUNCHES AND LOCKABLE IN POSITION SO AS TO BE FLUSH WITH THE SURFACE OF SAID DIE PLATE.
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