Exhibit 10.50
 
[v115860_ex10-50x1x1.jpg]

 

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[v115860_ex10-50x2x1.jpg]

 

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[v115860_ex10-50x3x1.jpg]

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[v115860_ex10-50x4x1.jpg]

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[v115860_ex10-50x5x1.jpg]

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[v115860_ex10-50x6x1.jpg]

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[v115860_ex10-50x7x1.jpg]

 

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[v115860_ex10-50x8x1.jpg]

 
[v115860_ex10-50x9x1.jpg]

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[v115860_ex10-50x10x1.jpg]
 
 
 

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[v115860_ex10-50x11x1.jpg]

 

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[v115860_ex10-50x12x1.jpg]

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