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JPS60122789A
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Heat insulating compression explosion for mixture of ammonium nitrate, water and others
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JPS6086088A
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Heat-insulative compression explosion process for mixture ofammonium nitrate and nitromethane
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JPS6046990A
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Industrial explosive composition
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JPS59190588A
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Vacuum valve
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JPS58145900A
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Method of exploding nitromethane by promotion of decomposition
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JPS58108400A
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Method of relaxing condition for method of exploding nitromethane
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JPS58173229A
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Wave motion interruption device
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JPS56113575A
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Preventive device for leakage of fluid substance in underground structure by fluid substance in void between housing structure and stratum
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JPS5653398A
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Industrialluse explosive having nitromethane covered with powders
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JPS5639400A
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Preventing device for propagation of leakage of effluent substance due to pressure difference between fluid bodies
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JPS51118258A
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Vacuum cylinder
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