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TW448099B
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A jointing apparatus of thermo plastic pipes
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US6029727A
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Jointing apparatus of thermo plastic pipes
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GB9614930D0
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Pipe lining apparatus and method
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US5451284A
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Self-mobile work vehicle moveable through pipeline and method and apparatus for lining interconnecting branch pipe using the vehicle
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GB8310693D0
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Method for welding by magnetically driven arc
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US4511784A
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Method for welding by magnetically driven arc
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JPS5751396A
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Propelled bury of small-diameter tube
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JPS5748376A
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Self-propelling type pipe inside cleaner
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JPS5729897A
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Rotary scaffold for inside of spherical tank
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JPS56156825A
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Set device for x-ray film in driven pipe
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JPS56158180A
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Automatic water discharge method for oil storage tank
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JPS56156371A
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Application of bottom plate of storage tank
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JPS56147655A
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Inside surface painting machine for small-diameter pipe
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JPS56125600A
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Injecting agent for propelling method
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JPS56125599A
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Injector for injecting material for propelling tube
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JPS56125598A
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Method of and apparatus for controlling leading tube
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JPS56105021A
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Method of construction of inner pipe of sleeve pipe
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JPS5676781A
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Construction of wall enclosing butting section
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JPS5673796A
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Method of construction of void injection propellng and injecting agent used for said method
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JPS5655803A
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Measuring device for degree of eccentricity of pipe
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