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JPS59219585A
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All direction seismic-sensitive auto-close gas valve
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JPS58217873A
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Automatic shutoff gas valve sensitive to earthquake in all directions
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JPS58109777A
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Stop valve of pipe axial-flow system
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JPS58109776A
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Stop valve of pipe axial-flow system
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JPS56124778A
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Earthquake sensing automatic closing valve
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JPS5527520A
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Valve trim structure for safety valve
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JPS54158735A
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Earthquake sensing automatic stop gas valve
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JPS5475622A
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Automatic stop gas valve that sense earthquake
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JPS5447871A
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Apparatus for producing water from sea water by solar heat absorption
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JPS5388218A
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Accordion type oil storage tank
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JPS52122925A
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Pilot type safety valve
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JPS5241035A
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Handicraft teaching wood block
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JPS51124827A
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Bellows type sealing valve
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JPS51126525A
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Pilot valve for pilot valve type safety valve
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