Portable foot-operated butter injector
The invention designs a novel butter injector, and particularly designs a portable foot-operated butter injector, which is used for overcoming the defects of a hand-operated butter injector and an old fashion foot-operated butter injector. In the injector (called butter gun), the pressure of a hand...
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Main Author | |
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Format | Patent |
Language | Chinese English |
Published |
09.05.2012
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Subjects | |
Online Access | Get full text |
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