发明授权
US06991180B1 Multi-component internal mix spray applicator 失效
多组分内部混合喷雾器

Multi-component internal mix spray applicator
摘要:
A spray applicator for dispensing a multiple component reactant mixture and for also dispensing purge materials. The applicator has a valve plate with a plurality of valve seats for cylindrical valve elements that are arcuately shifted by a control air circuit.
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