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DE4115443A1
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Press and tool for deep drawing of formed sheet metal parts - has hydraulic element, with rapid action coupling to hydraulic system of press
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Hydraulic system for sheet metal press - has one-way valves to connect cylinder chamber, and includes pressure reduction valve
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Hydraulic system for forming drawing and shaping tools - has adjustable one-way pressured reduction valve in accumulator coupling pressure line
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DE1912445A1
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Deep-drawn hollow articles made in a mould - ing press
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