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US1814127A
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Process and apparatus for sealing construction and expansion joints
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US1715592A
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Apparatus for sealing crevices in rock formations or the like
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US1763219A
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Method and apparatus for sealing crevices in rock formations or the like
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US1858952A
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Method and apparatus for sealing crevices in rock formations or the like
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US1371352A
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Shock-absorber
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US1366874A
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Method of and means for agitating contents of receptacles
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US1327269A
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Apparatus for use in sealing crevices in rock formations
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US1327268A
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Method of sealing crevices in rock formations
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US1269387A
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Hydraulic jet-pump.
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US1028328A
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Electric fuse.
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CA277934A
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Sealing method
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