求翻译：1976年华尔街著名投资银行贝尔斯登的三名投资银行家合伙成立了KKR，专注于并购企业的价值提升并获利退出，这便是最早的PE机构。是什么意思？

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In 1976 the famous Investment Bank Wall Street Bear Stearns three investment Bankers Association established KKR, focusing on the value of the business and profit lift and exit, this is the oldest PE institutions.

In 1976 Wall Street renowned investment bank Bayles ascended three investment bankers formed a partnership to establish KKR, concentrated promotes in the merger and acquisition enterprise's value and makes a profit the withdrawal, this then was the earliest PE organization.

1976 three Wall Street famous Investment Bank Bear Stearns investment bankers KKR was formed, focusing on mergers and acquisitions enterprise's value and profit to exit, it is the earliest example of PE institutions.

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