have signed this protocol
已签署本协议
以上为机器翻译结果，长、整句建议使用 人工翻译 。
Subject to paragraph 4 of this Article, the present Protocol shall be subject to ratification. acceptance or approval by the States which have signed it.
除本条第4款的规定外，本议定书须经已签字的国家批准、接受或认可。
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