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Matches 1,551 - 1,600 out of 1,815

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JPS55155389U  
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A door lock assembly having an electrical alarm system includes a piezoelectric element located between the lock bolt of the door lock and the lock frame in order to emit a signal to energize the electrical alarm system when pressure is ...  
JPS54161499A  
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JPS5491200A  
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Matches 1,551 - 1,600 out of 1,815