发明授权
US08082919B2 Dose counter device for inhaler 失效
用于吸入器的剂量计数器

Dose counter device for inhaler
摘要:
A dose counter device for an inhaler that in a reliable way registers a delivered dose from a canister in the inhaler and that at the same time substantially reduces the risk of falsely registering a dose not delivered substantially avoids erroneous counting of delivered doses from the canister.
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