GB361160A
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Improvements in or connected with plugs for electric switches
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GB355868A
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Improvements in or connected with electric plug couplings and the like
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GB346534A
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Improvements connected with electric switches
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GB338710A
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Improvement in or connected with electric plug bases, switch plug bases and the like
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GB324551A
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Improvement connected with electric switches, wall plugs, ceiling roses, fuses and the like
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GB311572A
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Improvement connected with electric switches
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GB281036A
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Improved construction of combined electric switch and plug coupling
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GB246732A
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Improved construction of electric switch
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GB209653A
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Improved construction of electric switch
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GB206675A
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Improvement in combined electric switches and plug couplings
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GB202469A
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Improved construction of electric switch
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GB168409A
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Improved construction of combined electric switch and plug coupling
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