发明授权
US5482032A Dry powder inhalers 失效
干粉吸入器

Dry powder inhalers
摘要:
The present invention relates to a device for dislodging powder carried on the surface of a flexible sheet material. The device incorporates a resettable impactor including a head for striking the sheet material, wherein the head comprises an elongate striking surface which is curved in both planes orthoganol to the plan of the sheet material.
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