首页>
外国专利>
Lubricating pump with a manual drive by means of the crank and a rotatable about its axis and at the same time - axially back and forth, with control surfaces and / or - grooves - suction and pressure paths foerderkolben controlling
Lubricating pump with a manual drive by means of the crank and a rotatable about its axis and at the same time - axially back and forth, with control surfaces and / or - grooves - suction and pressure paths foerderkolben controlling
