发明授权
US5648346A Antimicrobial carbacephem-quinolones 失效
抗菌药物喹诺酮类药物

Antimicrobial carbacephem-quinolones
摘要:
A substantially flat collapsed plastic bag with an evacuation form unit insert positioned therein as manufactured to serve as a form about which the filled bag will collapse as it is emptied. The form unit comprises a ring for mounting the unit on the spout of the bag and a multi-channel form extending radially from the ring and hingedly connected thereto. A simple method is provided for manufacturing the bag with the form unit insert.
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