4. Package making
  5. Gas filling and/or evacuating of receptacle and closing
  6. Pressure responsive and/or regulation

Bernhard Graf

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Apparatus and method for producing a three-dimensional object an

Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Forming articles by uniting randomly associated particles
Patent

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Device for manufacturing models layer by layer

Metal founding – Control means responsive to or actuated by means sensing or... – Control of feed material enroute to shaping area
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Device for pattern building in layers

Metal founding – Process – With measuring – testing – inspecting – or condition determination
Reexamination Certificate

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Hand device for varying the pressure of valve-less balls

Package making – Gas filling and/or evacuating of receptacle and closing – Pressure responsive and/or regulation
Patent

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Interchangeable container

Plastic article or earthenware shaping or treating: apparatus – Means applying electrical or wave energy directly to work – Radiated energy
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1354734

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