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DE422096C
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Device for moving bunker locks
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DE390424C
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Device for boring and reaming shaft flange holes
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DE442791C
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Vascular promotion
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DE396699C
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Spring adjusting device for grooved and Vignole rail switches
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GB190914947A
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Improved Rotary Grate for Gas Producers.
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DE375060C
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Stop log closure at weirs and locks
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DE452731C
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Vessel promotion for shaft systems
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DE353036C
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Method for balancing the trough while it is moving in the water in lifting gear for ships and the like. like
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